Various fixes for DB seeding

database/migrations/2025_09_17_000001_create_payment_terms_table.php

@@ -15,34 +15,6 @@ public function up()
             $table->integer('days')->nullable();
             $table->timestamps();
         });
-
-        // Fügen Sie Standard-Zahlungsziele hinzu
-        DB::table('payment_terms')->insert([
-            [
-                'name' => 'prepaid',
-                'description' => 'Vorkasse',
-                'is_fixed' => true,
-                'days' => null,
-                'created_at' => now(),
-                'updated_at' => now()
-            ],
-            [
-                'name' => 'onReceipt',
-                'description' => 'Bei Rechnungserhalt',
-                'is_fixed' => true,
-                'days' => null,
-                'created_at' => now(),
-                'updated_at' => now()
-            ],
-            [
-                'name' => 'daysAfterInvoice',
-                'description' => 'Zahlungsziel in Tagen',
-                'is_fixed' => false,
-                'days' => 14,
-                'created_at' => now(),
-                'updated_at' => now()
-            ]
-        ]);
     }
 
     public function down()

database/migrations/2025_11_21_081606_create_notes_table.php

@@ -15,8 +15,6 @@ public function up(): void
             $table->id();
             $table->foreignId('user_id')->constrained()->nullOnDelete();
             $table->text('text');
-            
-            // Polymorphische Beziehung
             $table->unsignedBigInteger('notable_id');
             $table->string('notable_type');
 

database/migrations/2025_11_25_153801_create_units_table.php

@@ -15,14 +15,6 @@ public function up(): void
             $table->string('symbol', 10)->nullable();
             $table->timestamps();
         });
-
-        // Füge Standard-Einheiten hinzu
-        DB::table('units')->insert([
-            ['name' => 'Stück', 'symbol' => 'Stk'],
-            ['name' => 'Stunden', 'symbol' => 'h'],
-            ['name' => 'Tage', 'symbol' => 'd'],
-            ['name' => 'pauschal', 'symbol' => 'p'],
-        ]);
     }
 
     public function down(): void